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Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector
ATLAS Collaboration
2011
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号71期号:9
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Freiburg, Germany.
摘要A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb(-1) collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H -> gamma gamma, H -> ZZ(()*()) -> llll, H -> ZZ -> LL nu nu, H -> ZZ -> llqq, H -> WW(*()) -> l nu l nu and H -> WW -> l nu qq (l is e, mu) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2.3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV.
关键词HADRON COLLIDERS PARTON DISTRIBUTIONS MASSLESS PARTICLES NNLO QCD SEARCH LHC TEVATRON DECAYS
学科领域Physics
DOI10.1140/epjc/s10052-011-1728-9
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000295527700003
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213119
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
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ATLAS Collaboration. Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2011,71(9).
APA ATLAS Collaboration.(2011).Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,71(9).
MLA ATLAS Collaboration."Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 71.9(2011).
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